Description:

Written by the team that helped create XML and Web services standards, updated for the next generation of tools and standards. These authors are the architects of core Web services standards including SOAP and UDDI. The second edition of this well-reviewed book includes the newest standards for managing security, transactions, reliability, and interoperability in Web services applications, plus Apache Axis and the new Java APIs from Sun.

It takes you beyond the hype, detailing the design and implementation of a production-quality Web services solution. The authors go beyond the specifications and provide meaningful insights into both how and why these tools were designed as they are. This revised edition covers the new SOAP 1.2 and WSDL 1.2 standards, as well as other technologies developed since the first edition was published, including the Java Web Services Developer Pack from Sun and the powerful Apache Axis Web services engine. Throughout the book the authors focus on practical examples of each concept and provide a running example illustrating a full enterprise solution.

 

Table of Contents:

Introduction.

I. WEB SERVICES BASICS.

1. Web Services Overview and Service-Oriented Architectures.

What Is a Web Service?

Service-Oriented Architectures.

Trends in E-Business.

Why Do We Need Web Services?

The Web Service Opportunity.

Justifying Web Services.

Web Services Interoperability Stack.

Summary.

2. XML Primer.

Document- Versus Data-Centric XML.

XML Instances.

XML Namespaces.

XML Schemas.

Processing XML.

Summary.

Resources.

3. The SOAP Protocol.

Simple Object Access Protocol (SOAP).

Doing Business with SkatesTown.

Inventory Check Web Service.

A Closer Look at SOAP.

The SOAP Messaging Framework.

SOAP Intermediaries.

The SOAP Body.

The SOAP Processing Model.

Versioning in SOAP.

Processing Headers and Bodies.

Faults: Error Handling in SOAP.

Objects in XML: The SOAP Data Model.

The SOAP RPC Conventions.

XML, Straight Up: Document-Style SOAP.

When to Use Which Style.

The Transport Binding Framework.

Using SOAP to Send Binary Data.

Small-Scale SOAP, Big-Time SOAP.

Summary.

Resources.

4. Describing Web Services.

Why Service Descriptions?

Role of Service Description in a Service-Oriented Architecture.

Well-Defined Service.

History of Interface Definition Languages (IDLs).

Web Services Description Language (WSDL).

A Sketch of How WSDL Maps to Java.

Nonfunctional Descriptions in WSDL.

Standardizing WSDL: W3C and WSDL 2.0.

Summary.

Resources.

5. Implementing Web Services with _Apache Axis.

A Brief History of Axis.

Axis Architecture.

The Message APIs and SAAJ.

The Axis Client APIs.

Web Service Deployment Descriptor (WSDD).

Building Services.

A Guide to Web Service Styles.

From XML to Java and Back Again: The Axis Type-Mapping System.

When Things Go Wrong: Faults and Exceptions.

Axis as an Intermediary.

How to Write a Handler.

Built-in Security.

Understanding Axis Transport s.

No API Is an Island: Axis and Its Environment.

Development/Debugging Tools.

Axis Futures: A Quick Tour.

Reference demo_5

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